How can I stop PHP sleep() affecting my whole PHP code?

Question

So, on my arcade, howlingdoggames.com. I have a points system that gives you a point every time you visit a page with a game on, now, to reduce abuse of this, I would like

Answer 1

No, not directly. You need to take a different approach, like remembering the timestamp of last visit and only add points if sufficient amount of time has passed since that.